Large Bore Metal Seated Gate Valve

Datasheet

Specifications are indicative. Final specification is confirmed at quotation.

Size Range

DN1000-DN2000

Pressure Class

PN6/PN16

Standards

EN1171, DIN3202 F4, BS 5163, EN558-1 series 3, EN1092-2, BS 4504, DIN2501, BS EN 1563, EN12266-1

End connection

EN1092-2 flange · BS 4504 flange · DIN2501 flange

Operating temperature

-10 ~ 80 ℃

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

Configure your variant(manually adjust box on the right if you require a different spec)

Size

DN1000 (40")DN1200 (48")DN1400DN1600DN1800DN2000

Pressure

PN6PN10PN16

End connection

EN1092-2 flangeBS 4504 flangeDIN2501 flange

Materials

All available material options per part. Click a pill to set it in the configurator.

body

GJS500-7GJS400-15GJS450-10

bonnet

GJS500-7GJS400-15GJS450-10

disc

GJS500-7GJS400-15GJS450-10

seat

brassbronze

stem

1.4021SS420

channel guides and shoes

copper alloystainless steel

stem nut and bushing

LG2brass

Operating media

Actuation options

Coatings

Approvals

Features

• Non-rising stem
• Full bore design with smooth passage and low flow resistance
• Long stroke time (on-off time) to avoid water hammer
• Clockwise close
• Bi-directional sealing; both sides of gate are symmetrical
• Ductile iron body with large bore up to DN2000
• Solid wedge gate in same material as body
• Seat rings on both body and disc in brass or bronze
• Brass or bronze (Gunmetal LG2) stem nut and bushing
• Optional channel guides for horizontal installation; gate fitted with shoes sliding within channel guides; guides and shoes in copper alloy or stainless steel to reduce friction and wear
• Multiple O-rings on stem bushing for shaft sealing
• External oil cup for shaft bushing/bearing
• Integral bypass system available on request
• Leakage rate B or rate A in both directions per EN12266-1
• 100% pressure testing before delivery
• Large-diameter resilient-seated gate valves visible up to DN1100
• PN10 pressure rating visible on body casting of DN1100 unit
• Multi-rib bonnet design on large-bore gate valves
• Manual handwheel gearbox operator fitted to large-bore units
• Double-eccentric butterfly valve variant shown with electric/pneumatic actuator
• Butterfly valve variant shown with manual gearbox operator

Notes

• Other stainless steel or brass/bronze stem materials available on request
• Integral bypass system will be designed as special request
• Other painting cycles available
• Channel guides designed as per special request, especially for horizontal installation
• Diagram: Index 1: Marketing banner showing three large-diameter ductile iron valves: a double-eccentric butterfly valve with actuator, a resilient-seated gate valve (non-rising spindle), and a butterfly valve with gearbox operator.
• Diagram: Index 2/4: Large-bore gate valve (DN1100, PN10) undergoing pressure testing in workshop; manual handwheel operator; multi-rib bonnet construction; raised-face flanged ends with visible stud bolting.

Description

Large bore ductile iron metal seated gate valve with non-rising stem and full bore design, available in sizes DN1000 to DN2000. Features solid wedge gate with brass or bronze seat rings on both body and disc, bi-directional sealing, and optional channel guides for horizontal installation. Designed for water and low-corrosive liquid service at pressure ratings PN6 to PN16.

Available pressure classes

Pressure classes this product is rated to.